Table 1.
Trial data (N = 108) | Our sample (N = 79) | Test statistics | |
---|---|---|---|
Age in years# | 73 (7) | 72 (8) | U = 3,955.5, p = 0.40 |
Educational level in years# | 15 (6) | 15 (6) | U = 3,972.5, p = 0.42 |
Treatment Group (Intervention/Control)∧ | 55/53 | 39/40 | χ2 = 0.04, p = 0.83 |
Female∧ | 57 (52.8%) | 45 (57.0%) | χ2 = 0.32, p = 0.57 |
Current Smoker∧ | 4 (3.7%) | 3 (3.8%) | χ2 = 0.001, p = 0.97 |
ApolipoproteinE ε4 carrier∧ | 29 (26.9%) | 21 (26.6%) | χ2 = 0.002, p = 0.97 |
Mild Cognitively Impaired (Amnestic/Non-Amnestic)∧ | 31 (24/7) | 20 (13/7) | χ2 = 0.95, p = 0.82 |
Cognitively Normal/Subjective memory complaints∧ | 15/62 | 14/45 | χ2 = 0.63, p = 0.73 |
Amyloid Positive∧ | 23 (24.47%) | 15 (20.8%) | χ2 = 0.31, p = 0.58 |
Alzheimer’s Disease Assessment Scale-Cognitive Subscale (ADAS Cog 11)# | 7 (4) | 6 (4) | U = 3,949.5, p = 0.38 |
Mini-Mental State Examination (0–30) # | 29 (2) | 29 (1) | U = 4,216.5, p = 0.89 |
Geriatric Depression Scale Score (>3) # | 7 | 5 | U = 4,220.0, p = 0.90 |
Body Mass Index (kg/m2) # | 26.6 (4.8) | 26.5 (4.9) | U = 4,215.0, p = 0.89 |
Total Cholesterol (mmol/l)* | 5.2 (1.1) | 5.2 (1.0) | t = 0.074; df = 170.4; p = 0.94 |
Fasting Glucose (mmol/l) # | 5.1 (0.8) | 5.1 (0.8) | U = 4,131.5; p = 0.99 |
Systolic Blood Pressure (mm Hg)* | 126.3 (15.7) | 125.8 (16.0) | t = −0.187; df = 165.54; p = 0.85 |
Diastolic Blood Pressure (mm Hg)* | 72.1 (8.5) | 71.8 (9.1) | t = −0.263; df = 161.98; p = 0.79 |
Brain-derived neurotrophic factor (BDNF, ng/ml)# | 331.1 (477.1) | 356.2 (524.4) | U = 3,969.5; p = 0.75 |
6-min walk test (m)* | 492.6 (92.6) | 499.3 (85.6) | t = 0.527; df = 1,74.93; p = 0.60 |
Timed up and go test (s)# | 6.2 (2.3) | 6.3 (2.3) | U = 4,259.0; p = 0.99 |
Sit-to-stand Time (s)# | 10.7 (3.4) | 10.8 (3.6) | U = 4,243.0; p = 0.95 |
Grip strength dominant hand (kg)* | 32.3 (9.2) | 31.8 (8.7) | t = −0.383; df = 172.60; p = 0.70 |
Grip strength Non-dominant hand (kg)* | 30.1 (9.0) | 29.3 (8.9) | t = −0.565; df = 168.87; p = 0.57 |
#Reported as Median (Interquartile Range). *Reported as Mean (Standard Deviation). ∧Reported as number of participants (Percentage) or number of participants.